Audio & Video Tuner Circuit Diagram - Toshiba D-R5SC Service Manual

5-3. Audio & Video Tuner Circuit Diagram
T U N E R 1
1 8
G N D
1 9
G N D
1
N C
2
N C
3
+ B
C 1
4
N C
1 0
5
N C
6
N C
7
F R A G C T - P
8
N C
R 2 5 0 R N
9
A D D R E S S
1 0
C L O C K
1 1
D A T A
A F C
1 2
F A T O U T
1 3
A U D O I O U T
1 4
S F I O U T
1 5
B T
1 6
N C
1 7
V D I E O O U T
1 1 5 V - R - A 0 5 A T
N
C N - R
F B 3
A _ N I _ L A U D O I _ N I _ L #
C 2 5 5 6 0 p F
F B 6
A _ N I _ R A U D O I _ N I _ R #
C 2 6 5 6 0 p F
T P 1 3 T P 1 4 T P 1 5 T 1 P 6 T P 1 7 T 1 P 8
W 3 0 3
8 P N I + H O U S N I G
8 P 5 - S B
7 A P 1 2 V
6 A N 1 2 V
5
P V - C C
4
P V - 3 3
3
2
1
P 5 - S B
F B 1 C . N .
C 2
1 0 u 1 F 6 V A 5 V
n F
F B 9
2 C 9
N . . C
1 0 n F
. . C
R 5 0 R S C L
R 6 0 R S D A
R 8 0 R N C . . A L _ T V
R 1 0 0 R . N . C A R _ T V + 3 3 V
S F I
F B 2
R 2 3 1 K
C 3 C 4
R 3 3
1 0 n F
1 0 u F 5 / 0 V
4 7 K
R 1 1
0 1 K
. . C
V F V
C A S / V D I E O
3 J 0 1
F B 4
C V B S _ N I # C V B S N I 0
F B 5
Y _ N I # S Y N I 0
F B 7
C _ N I # S C N I 0
V G N D
W 8 0 2
9 P N I + H O U S N I G
9 P 5 - S B
8 P V - 3 3
7
6 F B 8
5 P V - C C
A P 1 2 V
4
A N 1 2 V
3
2
+ 3 3 V
1
C 1 0
0 3 . 3 u F 1 / 6 V
+ +
C 9
+
C 1 2
C 1 3
1 u 0 F 1 / 6 V 1 / 0 % C 1 1 0 1 . u F
3 3 . u F 1 / 6 V 1 / 0 % 0 0 . 2 2 u F 1 / 0 %
A 5 V
1 R 6 R 1 7 R 1 8 R 1 9 R 2 0 R 2 1
. 4 4 7 K . 7 K 4 7 . K 4 7 . K 4 7 . K .4 7 K C
0
. N . C . N . C N . . C
S A P _ M U T E
R 2 2 R 2 3 R 2 4
. 4 7 K . 4 7 K 4 7 . K
C . N .
A F C
R 2 8 3 3 R
A 5 V
C 2 8
C 2 7
1 u 0 F 1 6 V
1 0 n F
C 5 C 6 C 7
2 2 . u 1 / F 2 6 2 . V u F 1 / 6 2 V 2 . u F 1 / 6
C I 3 0 1
2
1 3 2
N C L R - R / E F
2 3 1
W B / I T M E N C
3 3 0
W B D / E T L O U T
4 2 9
S P E / I T M E R O U T
5 2 8
S P E D / E T A G C D / E T
6 2 7
S P E F / L I S C L
7 2 6
2 I C P / A R A P E
8 2 5
A G C S W G N D
9 2 4
M O D E S D A
1 0 2 3
F O M O S T E R E O R / E F
1 1 2 2
M U T E S F I R E F
1 2 2 1
S F I B / B N I P U T
1 3 2 0
N O S I E D / E T N C
1 4 1 9
S A P D / E T V C C
1 5 1 8
L + R R / E F P L L
1 6 1 7
N C P L I O T D / E T
A N 5 8 3 2 S A
1 6 C 1 7 + C 1 5 1 C 9
C 1 8 + +
1 . u F 0 0 . 3 3 u F 2 2 . u F 1 / 6 V
4 7 . u F 1 / 6 V 2 2 . u F 1 / 6 V
0 3 . 3 u
A 5 V
T P 1
T P 4
C N 3 0 1
T P 5
A _ N I _ L
1
T P 6
3
S Y N I 0
5
C V B S N I 0
7
S C L
9 1
A F C _ O U T
1 1 1
V F V
3 1 1
A L _ T V
1 5 1
H E A D E R
P T 9
T P 1 0
T P 1 1
A 5 V
R 2 7
1 0 0 R
2 N 1 0 7 0
Q 1
R 2 9
D 3
1 0 0 R
1 A F C _ O U T
3
2 R 3 1
.4 7 K
R 3 0
B A T 5 4 S
1 0 K
A L _ T V
A R _ T V A 5 V
R 1 2 R 1 3
1 0 K 0 1 K
C 8
+ 1 R 4
V
1 8 0 K
2 . u F 1 / 6 V
S C L
S D A
1 C 4 1 0 0 0 p F
S F I A 5 V
R 1 5 3 3 . K
C 2 0
+ C 2 2
C 2 3 C 2 4
C 2 1 4 7 F u 1 / 6 V 0 1 . u F
F 1 / 6 V 0 1 . u F 0 2 . 2 u F
T P 2
T P 3
A _ N I _ R
2
S C N I 0
4
6
T P 7
8
S D A T P 8
0
S A P _ M U T E
2
4
A R _ T V
6
8 X 2
T P 1 2
V G N D
M T 1 M T 2 M T 4 M T 3
Fig. 5-5-3